| 摘要 |
PURPOSE:To make oil circulate within a clutch housing and simplify construction by providing a main clutch and a power take off clutch longitudinally adjacent to each other and providing an oil pump in an oil passage between a main clutch shaft and a power take off clutch shaft. CONSTITUTION:A main clutch 3 and a power take off clutch 4, and driving side rotary bodies 8, 9 and a power take off clutch shaft 6 are provided around a main clutch shaft 5 which is rotatably provided in nearly the center part of a clutch housing 2 connected to the rear end part of a prime mover 1. And, a series of oil passages 7 is formed over a range from between the main clutch shaft 5 and the power take off clutch shaft 6 to between the driving side rotary bodies 8, 9. Also, a spirally twisted intake blade 37 is provided on a part of inner periphery of the rotary body 9 on the power take off clutch 4 side, being formed as an oil pump 10. And, by the action of this oil pump 10, lubrication to the clutch chambers of the clutches 3, 4 is carried out via the oil passages 7.
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